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# JarEntry

`public class JarEntry`
`` `extends ZipEntry` ``

java.lang.Object
↳ | java.util.zip.ZipEntry
| ↳ | java.util.jar.JarEntry

This class is used to represent a JAR file entry.

## Summary

### Constants
`int` | `CENATT`
`int` | `CENATX`
`int` | `CENCOM`
`int` | `CENCRC`
`int` | `CENDSK`
`int` | `CENEXT`
`int` | `CENFLG`
`int` | `CENHDR`
`int` | `CENHOW`
`int` | `CENLEN`
`int` | `CENNAM`
`int` | `CENOFF`
`long` | `CENSIG`
`int` | `CENSIZ`
`int` | `CENTIM`
`int` | `CENVEM`
`int` | `CENVER`
`int` | `ENDCOM`
`int` | `ENDHDR`
`int` | `ENDOFF`
`long` | `ENDSIG`
`int` | `ENDSIZ`
`int` | `ENDSUB`
`int` | `ENDTOT`
`int` | `EXTCRC`
`int` | `EXTHDR`
`int` | `EXTLEN`
`long` | `EXTSIG`
`int` | `EXTSIZ`
`int` | `LOCCRC`
`int` | `LOCEXT`
`int` | `LOCFLG`
`int` | `LOCHDR`
`int` | `LOCHOW`
`int` | `LOCLEN`
`int` | `LOCNAM`
`long` | `LOCSIG`
`int` | `LOCSIZ`
`int` | `LOCTIM`
`int` | `LOCVER`

### Inherited constants
From class `java.util.zip.ZipEntry`
`int` | `CENATT`
`int` | `CENATX`
`int` | `CENCOM`
`int` | `CENCRC`
`int` | `CENDSK`
`int` | `CENEXT`
`int` | `CENFLG`
`int` | `CENHDR`
`int` | `CENHOW`
`int` | `CENLEN`
`int` | `CENNAM`
`int` | `CENOFF`
`long` | `CENSIG`
`int` | `CENSIZ`
`int` | `CENTIM`
`int` | `CENVEM`
`int` | `CENVER`
`int` | `DEFLATED` Compression method for compressed (deflated) entries.
`int` | `ENDCOM`
`int` | `ENDHDR`
`int` | `ENDOFF`
`long` | `ENDSIG`
`int` | `ENDSIZ`
`int` | `ENDSUB`
`int` | `ENDTOT`
`int` | `EXTCRC`
`int` | `EXTHDR`
`int` | `EXTLEN`
`long` | `EXTSIG`
`int` | `EXTSIZ`
`int` | `LOCCRC`
`int` | `LOCEXT`
`int` | `LOCFLG`
`int` | `LOCHDR`
`int` | `LOCHOW`
`int` | `LOCLEN`
`int` | `LOCNAM`
`long` | `LOCSIG`
`int` | `LOCSIZ`
`int` | `LOCTIM`
`int` | `LOCVER`
`int` | `STORED` Compression method for uncompressed entries.

### Public constructors
`JarEntry(String name)` Creates a new `JarEntry` for the specified JAR file entry name.
`JarEntry(ZipEntry ze)` Creates a new `JarEntry` with fields taken from the specified `ZipEntry` object.
`JarEntry(JarEntry je)` Creates a new `JarEntry` with fields taken from the specified `JarEntry` object.

### Public methods
`Attributes` | `getAttributes()` Returns the `Manifest` `Attributes` for this entry, or `null` if none.
`Certificate[]` | `getCertificates()` Returns the `Certificate` objects for this entry, or `null` if none.
`CodeSigner[]` | `getCodeSigners()` Returns the `CodeSigner` objects for this entry, or `null` if none.

### Inherited methods
From class `java.util.zip.ZipEntry`
`Object` | `clone()` Returns a copy of this entry.
`String` | `getComment()` Returns the comment string for the entry.
`long` | `getCompressedSize()` Returns the size of the compressed entry data.
`long` | `getCrc()` Returns the CRC-32 checksum of the uncompressed entry data.
`FileTime` | `getCreationTime()` Returns the creation time of the entry.
`byte[]` | `getExtra()` Returns the extra field data for the entry.
`FileTime` | `getLastAccessTime()` Returns the last access time of the entry.
`FileTime` | `getLastModifiedTime()` Returns the last modification time of the entry.
`int` | `getMethod()` Returns the compression method of the entry.
`String` | `getName()` Returns the name of the entry.
`long` | `getSize()` Returns the uncompressed size of the entry data.
`long` | `getTime()` Returns the last modification time of the entry.
`int` | `hashCode()` Returns the hash code value for this entry.
`boolean` | `isDirectory()` Returns true if this is a directory entry.
`void` | `setComment(String comment)` Sets the optional comment string for the entry.
`void` | `setCompressedSize(long csize)` Sets the size of the compressed entry data.
`void` | `setCrc(long crc)` Sets the CRC-32 checksum of the uncompressed entry data.
`ZipEntry` | `setCreationTime(FileTime time)` Sets the creation time of the entry.
`void` | `setExtra(byte[] extra)` Sets the optional extra field data for the entry.
`ZipEntry` | `setLastAccessTime(FileTime time)` Sets the last access time of the entry.
`ZipEntry` | `setLastModifiedTime(FileTime time)` Sets the last modification time of the entry.
`void` | `setMethod(int method)` Sets the compression method for the entry.
`void` | `setSize(long size)` Sets the uncompressed size of the entry data.
`void` | `setTime(long time)` Sets the last modification time of the entry.
`String` | `toString()` Returns a string representation of the ZIP entry.
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Constants

### CENATT

    public static final int CENATT

Constant Value: 36 (0x00000024)

### CENATX

    public static final int CENATX

Constant Value: 38 (0x00000026)

### CENCOM

    public static final int CENCOM

Constant Value: 32 (0x00000020)

### CENCRC

    public static final int CENCRC

Constant Value: 16 (0x00000010)

### CENDSK

    public static final int CENDSK

Constant Value: 34 (0x00000022)

### CENEXT

    public static final int CENEXT

Constant Value: 30 (0x0000001e)

### CENFLG

    public static final int CENFLG

Constant Value: 8 (0x00000008)

### CENHDR

    public static final int CENHDR

Constant Value: 46 (0x0000002e)

### CENHOW

    public static final int CENHOW

Constant Value: 10 (0x0000000a)

### CENLEN

    public static final int CENLEN

Constant Value: 24 (0x00000018)

### CENNAM

    public static final int CENNAM

Constant Value: 28 (0x0000001c)

### CENOFF

    public static final int CENOFF

Constant Value: 42 (0x0000002a)

### CENSIG

    public static final long CENSIG

Constant Value: 33639248 (0x0000000002014b50)

### CENSIZ

    public static final int CENSIZ

Constant Value: 20 (0x00000014)

### CENTIM

    public static final int CENTIM

Constant Value: 12 (0x0000000c)

### CENVEM

    public static final int CENVEM

Constant Value: 4 (0x00000004)

### CENVER

    public static final int CENVER

Constant Value: 6 (0x00000006)

### ENDCOM

    public static final int ENDCOM

Constant Value: 20 (0x00000014)

### ENDHDR

    public static final int ENDHDR

Constant Value: 22 (0x00000016)

### ENDOFF

    public static final int ENDOFF

Constant Value: 16 (0x00000010)

### ENDSIG

    public static final long ENDSIG

Constant Value: 101010256 (0x0000000006054b50)

### ENDSIZ

    public static final int ENDSIZ

Constant Value: 12 (0x0000000c)

### ENDSUB

    public static final int ENDSUB

Constant Value: 8 (0x00000008)

### ENDTOT

    public static final int ENDTOT

Constant Value: 10 (0x0000000a)

### EXTCRC

    public static final int EXTCRC

Constant Value: 4 (0x00000004)

### EXTHDR

    public static final int EXTHDR

Constant Value: 16 (0x00000010)

### EXTLEN

    public static final int EXTLEN

Constant Value: 12 (0x0000000c)

### EXTSIG

    public static final long EXTSIG

Constant Value: 134695760 (0x0000000008074b50)

### EXTSIZ

    public static final int EXTSIZ

Constant Value: 8 (0x00000008)

### LOCCRC

    public static final int LOCCRC

Constant Value: 14 (0x0000000e)

### LOCEXT

    public static final int LOCEXT

Constant Value: 28 (0x0000001c)

### LOCFLG

    public static final int LOCFLG

Constant Value: 6 (0x00000006)

### LOCHDR

    public static final int LOCHDR

Constant Value: 30 (0x0000001e)

### LOCHOW

    public static final int LOCHOW

Constant Value: 8 (0x00000008)

### LOCLEN

    public static final int LOCLEN

Constant Value: 22 (0x00000016)

### LOCNAM

    public static final int LOCNAM

Constant Value: 26 (0x0000001a)

### LOCSIG

    public static final long LOCSIG

Constant Value: 67324752 (0x0000000004034b50)

### LOCSIZ

    public static final int LOCSIZ

Constant Value: 18 (0x00000012)

### LOCTIM

    public static final int LOCTIM

Constant Value: 10 (0x0000000a)

### LOCVER

    public static final int LOCVER

Constant Value: 4 (0x00000004)

## Public constructors

### JarEntry

    public JarEntry (String name)

Creates a new `JarEntry` for the specified JAR file entry name.

Parameters
`name` | `String`: the JAR file entry name

Throws
`NullPointerException` | if the entry name is `null`
`IllegalArgumentException` | if the entry name is longer than 0xFFFF bytes.

### JarEntry

    public JarEntry (ZipEntry ze)

Creates a new `JarEntry` with fields taken from the specified `ZipEntry` object.

Parameters
`ze` | `ZipEntry`: the `ZipEntry` object to create the `JarEntry` from

### JarEntry

    public JarEntry (JarEntry je)

Creates a new `JarEntry` with fields taken from the specified `JarEntry` object.

Parameters
`je` | `JarEntry`: the `JarEntry` to copy

## Public methods

### getAttributes

    public Attributes getAttributes ()

Returns the `Manifest` `Attributes` for this entry, or `null` if none.

Returns
`Attributes` | the `Manifest` `Attributes` for this entry, or `null` if none

Throws
`IOException` | if an I/O error has occurred

### getCertificates

    public Certificate[] getCertificates ()

Returns the `Certificate` objects for this entry, or `null` if none. This method can only be called once the `JarEntry` has been completely verified by reading from the entry input stream until the end of the stream has been reached. Otherwise, this method will return `null`.

The returned certificate array comprises all the signer certificates that were used to verify this entry. Each signer certificate is followed by its supporting certificate chain (which may be empty). Each signer certificate and its supporting certificate chain are ordered bottom-to-top (i.e., with the signer certificate first and the (root) certificate authority last).

Returns
`Certificate[]` | the `Certificate` objects for this entry, or `null` if none.

### getCodeSigners

    public CodeSigner[] getCodeSigners ()

Returns the `CodeSigner` objects for this entry, or `null` if none. This method can only be called once the `JarEntry` has been completely verified by reading from the entry input stream until the end of the stream has been reached. Otherwise, this method will return `null`.

The returned array comprises all the code signers that have signed this entry.

Returns
`CodeSigner[]` | the `CodeSigner` objects for this entry, or `null` if none.

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